<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="任务节点" prop="nodeKey">
        <el-input
          v-model="queryParams.nodeKey"
          placeholder="请输入节点Key"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['workflow:bpmnNode:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['workflow:bpmnNode:remove']"
          >删除</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="bpmnNodeList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键 ID" align="center" prop="id" />
      <el-table-column
        label="流程定义信息 ID"
        align="center"
        prop="bpmnInfoId"
      />
      <el-table-column label="节点Key" align="center" prop="nodeKey" />
      <el-table-column label="节点描述" align="center" prop="nodeDesc" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['workflow:bpmnNode:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['workflow:bpmnNode:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改流程定义节点对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="节点Key" prop="nodeKey">
          <el-input v-model="form.nodeKey" placeholder="请输入节点Key" /> 
        </el-form-item>
        <el-form-item label="节点描述" prop="nodeDesc">
          <el-input v-model="form.nodeDesc" placeholder="请输入节点描述" />
        </el-form-item>
        <el-form-item label="审核人员" prop="auditors">
          <el-select
            v-model="form.auditors"
            multiple
            placeholder="请选择"
            size="small"
          >
            <el-option
              v-for="user in userList"
              :key="user.userId"
              :label="user.nickName || user.userName"
              :value="user.userId"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listBpmnNode,
  getBpmnNode,
  delBpmnNode,
  addBpmnNode,
  updateBpmnNode,
} from "@/api/workflow/bpmnNode";
import { listAllUser,queryByNodeId } from "@/api/system/user.js";

export default {
  name: "BpmnNode",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 流程定义节点表格数据
      bpmnNodeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        bpmnInfoId: null,
        nodeKey: null,
      },
      // 表单参数
      form: {
        id: null,
        bpmnInfoId: null,
        nodeKey: null,
        nodeDesc: null,
        auditors: null
      },
      // 表单校验
      rules: {
        nodeKey: [{ required: true, message: "请输入节点Key", trigger: "blur" }],
        nodeDesc: [{ required: true, message: "请输入节点描述", trigger: "blur" }],
        auditors: [{ required: true, message: "请输入选择审核人员", trigger: "blur" }]
      },
      //审核人员信息
      userList: [],
    };
  },
  created() {
    this.getList();
    //查询所有用户信息
    listAllUser().then((res) => {
      this.userList = res.data;
    });
  },
  watch:{
    //当顶部导航没有关闭时,组件不会重载，通过监听的方式，
    //解决方案：当路由传参的id发生变化时，就调用
    '$route.query.id':{
      handler(newVal,oldVal){
        if(newVal != undefined){
          this.getList();
        }
      }
    }
  },
  methods: {
    /** 查询流程定义节点列表 */
    getList() {
      //获取bus_bpmn_info的id,把bpmnInfoId封装到查询参数中
      this.queryParams.bpmnInfoId = this.$route.query.id;
      this.loading = true;
      listBpmnNode(this.queryParams).then((response) => {
        this.bpmnNodeList = response.data;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        bpmnInfoId: null,
        nodeKey: null,
        nodeDesc: null,
        auditors: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加流程定义节点";
    },
    /** 修改按钮操作 */
    async handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      //查询候选人信息
      let auditorsRes = await queryByNodeId(id);
      //查询节点信息
      let nodeRes = await getBpmnNode(id);
      if(auditorsRes.code == 200 && nodeRes.code == 200){
        this.form = nodeRes.data;
        this.$set(this.form,"auditors",auditorsRes.data.map(item=>item.userId))
        this.title = "修改流程定义节点";
        this.open = true;
      }
      
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateBpmnNode(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            // 把bpmnInfoId封装到form表单
            this.form.bpmnInfoId = this.$route.query.id;
            addBpmnNode(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal
        .confirm('是否确认删除流程定义节点编号为"' + ids + '"的数据项？')
        .then(function () {
          return delBpmnNode(ids);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
  },
};
</script>
